Mangrove Partners’s Waystar Holding Corp WAY Stock Holding History

Mangrove Partners’s Portfolio WAY Stock Details WAY Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-8,861	Closed	-$290K	–	616
2025 Q4	$290K	Buy	+8,861	New	+$316K	0.02%	200

Other funds holding WAY

EFM

EQT Fund Management Luxembourg $1.02B AUM

Canada Pension Plan Investment Board Toronto Ontario, Ontario, Canada $155B AUM 29.93% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

BCI

Bain Capital Investors Boston, Massachusetts $3.27B AUM 3.23% 1-Year Est. Return

Advent International Boston, Massachusetts $4.24B AUM 4.24% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Neuberger Berman Group New York $131B AUM 28.36% 1-Year Est. Return

GAM

Goldentree Asset Management New York $1.69B AUM 10.69% 1-Year Est. Return

Mangrove Partners's WAY Position: Q1 2026 in Review

Mangrove Partners sold out of Waystar Holding Corp (WAY) in Q1 2026, closing a stake of 8,861 shares — an estimated $290K sold.

Mangrove Partners first reported a position in WAY in Q4 2025 and held it in 1 quarter. The position peaked at $290K in Q4 2025. 305 funds tracked by Wall St. Rank hold WAY as of Q1 2026.

Mangrove Partners reported no remaining Waystar Holding Corp position as of Q1 2026 after selling out during the quarter.
Mangrove Partners sold 8,861 Waystar Holding Corp shares in Q1 2026, an estimated $290K.
Mangrove Partners first reported a position in Waystar Holding Corp in Q4 2025 and held it in 1 quarter.
Mangrove Partners's Waystar Holding Corp position peaked at $290K in Q4 2025.
305 funds tracked by Wall St. Rank held Waystar Holding Corp as of Q1 2026.

Based on Mangrove Partners's 13F filing for Q1 2026, filed 15 May 2026.